{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment.Dosage", "Subject", "Subject.Disorder", "Subject.Population", "Subject.Gender", "Effect", "Treatment.Disorder", "Subject.Age", "Subject.Race", "Treatment.Duration", "Treatment.Freq", "Treatment.Time_elapsed", "Treatment.Drug", "Treatment", "Treatment.Route", "Combination.Drug"]}], "input": "He was started on oral lansoprazole 60 mg twice daily and, on hospital day 2, his platelet count decreased to 102 x 10(3)/mm(3); on hospital day 3, the platelet count was 36 x 10(3)/mm(3)."}
{"adverse event": [{"Treatment.Dosage": "60 mg", "Subject": "He", "Subject.Disorder": "NAN", "Subject.Population": "NAN", "Subject.Gender": "He", "Effect": "platelet count decreased", "Treatment.Disorder": "NAN", "Subject.Age": "NAN", "Subject.Race": "NAN", "Treatment.Duration": "day 2", "Treatment.Freq": "twice daily", "Treatment.Time_elapsed": "NAN", "Treatment.Drug": "lansoprazole", "Treatment": "oral lansoprazole 60 mg twice daily", "Treatment.Route": "oral", "Combination.Drug": "NAN"}]}